2,917 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.

Senior Software Engineer - Cloud Infrastructure
Senior Software Engineer - Cloud Infrastructure owns Array Labs' AWS-based cloud infrastructure and internal developer platform for a radar-satellite geospatial company — designing Terraform-managed commercial and GovCloud environments, cloud networking, security/compliance, and self-hosted tools like GitLab, CI/CD, and observability.
Research Software Engineer- Simulation Algorithm/ Geometry Processing
Research software engineer at an MIT-born, venture-backed startup building an AI copilot for design and manufacturing. Day to day: develop geometry processing and simulation algorithms, build services for 2D/3D CAD/CAE/CAM data, curate large-scale datasets, and implement ML post-training workflows, primarily in Python.
Senior Geospatial Software Engineer
Senior engineer building and evolving a platform that turns construction document data into accurate geospatial data (maps, coordinates, geometry, routing) for real-world field operations. Day-to-day is production TypeScript/Node.js development with geospatial tooling like GeoJSON, Turf.js, proj4js and PostGIS.
Staff Data Center Infrastructure Software Engineer
Designs, deploys, and automates the software layer of AI data centers — provisioning, networking, configuration, and Kubernetes cluster bring-up on large-scale Linux/GPU infrastructure — using infrastructure-as-code tools like Terraform and Ansible. Hybrid role in Bellevue, WA; U.S. work authorization required, no visa sponsorship.
Principal Data Center Infrastructure Software Engineer
Build and automate AI infrastructure clusters, deploying Kubernetes and optimizing GPU/storage/networking for large-scale AI workloads.
Software Engineer (Intern)
Software Engineer Intern at Strada, a YC-backed startup building AI agents that automate insurance workflows (calls, texts, email, chat). The intern ships production code across the stack in TypeScript, React, and Node.js, including real-time voice AI infrastructure and insurance platform integrations, working on-site in San Francisco.
Software Engineer(Product)
Product engineer at Teton, a healthcare-AI startup, owning customer-facing features end-to-end — from talking with care teams to shipping across the web app, mobile app and backend APIs. Core stack is TypeScript (React and/or React Native) with relational databases like Postgres, working on-site in Copenhagen.
Systems Engineer, Electrical
Harbinger Motors is hiring an Electrical Systems Engineer to define, develop, and verify high- and low-voltage system-level requirements for its medium-duty commercial EV platform, including charging integration, power budgets, and safety/regulatory compliance. Core work spans BEV architectures, HV/LV subsystems, charging protocols, and ISO 26262 functional safety, using their Flow Engineering req

Software Engineer, Infrastructure
Senior infrastructure engineer on Descript's platform team, owning the GCP/Kubernetes/Temporal foundation, CI/CD, on-call reliability, security boundaries, and the GPU/ML substrate behind model training and inference for its AI-powered video and audio editing product. Users are internal engineers; the role emphasizes reliability, cost trade-offs, and AI/agent tooling.
Flight Software Engineer – Command & Control
Embedded flight software engineer on Hermeus's Command & Control team in Atlanta, building the C/C++ flight and networking software that lets high-speed aircraft reliably exchange commands and telemetry with ground stations — spanning RF links, TCP/UDP/multicast networking, and hardware-in-the-loop testing.
Lead Software Engineer
Lead engineer to build the production environment for Exoware, a managed infrastructure offering around the Commonware open-source framework for decentralized systems. Day to day: greenfield infrastructure automation, CI/CD, monitoring/telemetry, and operational software using Kubernetes, ECS, and cloud services.
Robotics Integration Engineer (Field-Focused)
Trener, a VC-backed AI robotics startup, is hiring a field-focused Robotics Integration Engineer in San Jose to install, commission, and integrate industrial robotic cells at customer facilities. The day-to-day is hands-on work with 6-DOF robot arms, PLCs, control panels, safety standards, and CAD, plus FAT/SAT validation and frequent travel to customer sites.
Software Developer / Mjukvaruutvecklare
Everi Labs is a small Stockholm startup building an AI platform that automates clinical documentation and reimbursement workflows for specialist clinics. The developer owns features end to end — UI/UX, backend services, APIs, data pipelines and integrations — using generalist skills in languages like Python and TypeScript, ideally with React, SQL, cloud and AI/ML exposure.
Software Engineer - Growth
Hands-on product engineer on Onmo's Growth team in London, owning the customer journey from onboarding through first arrears — building and running customer-facing app, web and backend features and owning them in production. Stack: Node.js/TypeScript serverless on AWS, React Native/React/Next.js, Terraform, Datadog.
Senior Software Engineer - Growth
Onmo, a London credit-card fintech, is hiring a product-minded senior engineer for its Growth team to build and own customer-facing onboarding and account journeys end to end. Day-to-day work spans Node.js/TypeScript serverless backends on AWS, React Native/Next.js frontends, plus production ownership with Terraform, CI/CD and Datadog/Grafana observability.
Senior Robotic Systems Integration Engineer
Senior role at a robotics startup focused on scaling humanoid robot deployments. You will diagnose failures across the robotics stack (perception, planning, control), define release criteria, and build tools for remote monitoring and fleet management using ROS 2.
Software Engineer
Engineer at an early-stage, VC-backed AI startup in Melbourne building a real-time agent that joins live calls, ingests video/screen-share, and guides customers through software via natural conversation. Work spans LLM latency optimization, human-feeling audio/video handling, agent knowledge, and WebRTC call infrastructure at scale.

Senior Software Engineer (Product)
Senior software engineer at Pomelo Care, a virtual medical practice for women and children, owning end-to-end delivery of features that support clinicians and patients. Work spans AI-powered agents and LLM-driven workflows plus mobile/web platforms, using languages like Java, C#, Kotlin, Python, or Go with React or Vue.js.

Senior Software Engineer, Internal Tools
Builds and maintains internal automation tools for a healthcare data platform, integrating APIs, dashboards, and workflows to streamline operations and developer onboarding.

Senior Software Engineer
Senior full-stack engineer building and scaling a healthcare data platform that integrates with major US healthcare systems, using React, Node.js, TypeScript, and AWS services.